:root{
    --bg-0:#0a0a0a;
    --bg-1:#141414;
    --bg-2:#1a1a1a;
    --bg-3:#202020;
    --line: rgba(255,255,255,.08);
    --line-strong: rgba(255,255,255,.16);
    --text-0:#f4f4f2;
    --text-1:#a8a8a2;
    --text-2:#6f6f6a;
    --accent:#5ce1e6;
    --accent-dim: rgba(92,225,230,.14);
    --accent-glow: rgba(92,225,230,.35);
    --radius: 18px;
    --maxw: 1240px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg-0);
    color:var(--text-0);
    font-family:'Inter', sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4,.logo{
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    letter-spacing:-0.02em;
    color:var(--text-0);
  }
  a{color:inherit; text-decoration:none;}
  ul{list-style:none;}
  img,svg{display:block; max-width:100%;}
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px;}
  section{position:relative;}
  .eyebrow{
    font-family:'Space Grotesk', sans-serif;
    text-transform:uppercase;
    letter-spacing:.14em;
    font-size:12px;
    color:var(--accent);
    font-weight:600;
    margin-bottom:14px;
    display:flex; align-items:center; gap:10px;
  }
  .eyebrow::before{
    content:"";
    width:22px; height:1px;
    background:var(--accent);
    display:inline-block;
  }
  .section-head{max-width:680px; margin-bottom:56px;}
  .section-head h2{font-size:clamp(28px,3.6vw,42px); line-height:1.15; margin-bottom:16px;}
  .section-head p{color:var(--text-1); font-size:17px;}
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:15px 28px;
    border-radius:100px;
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    font-size:15px;
    cursor:pointer;
    border:1px solid transparent;
    transition:all .25s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--accent); color:#0a0a0a;}
  .btn-primary:hover{background:#a4f0f3; transform:translateY(-2px); box-shadow:0 10px 30px var(--accent-glow);}
  .btn-ghost{border-color:var(--line-strong); color:var(--text-0); background:transparent;}
  .btn-ghost:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-2px);}
  .btn-sm{padding:10px 20px; font-size:13px;}

  /* background texture */
  .grain{position:fixed; inset:0; pointer-events:none; z-index:1; opacity:.035;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  }

  /* ---------- HEADER ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    padding:26px 0;
    transition:background .3s ease, border-color .3s ease, padding .3s ease;
    border-bottom:1px solid transparent;
  }
  header.scrolled{
    background:rgba(10,10,10,.85);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
    padding:16px 0;
  }
  .nav{display:flex; align-items:center; justify-content:space-between;}
  .logo{font-size:26px; font-weight:700; display:flex; align-items:center; gap:12px; letter-spacing:-.01em;}
  .logo .mark{
    height:52px; width:auto;
    display:flex; align-items:center; justify-content:center;
    color:var(--accent); flex-shrink:0;
  }
  .logo .mark svg{width:100%; height:100%; display:block;}
  .logo .mark img{height:100%; width:auto; display:block;}
  .navlinks{display:flex; align-items:center; gap:6px;}
  .navlinks > li{position:relative;}
  .navlinks > li > a{
    display:flex; align-items:center; gap:5px;
    padding:10px 16px; border-radius:100px;
    font-size:14px; font-weight:500; color:var(--text-1);
    transition:color .2s ease, background .2s ease;
  }
  .navlinks > li > a:hover{color:var(--text-0); background:var(--bg-2);}
  .navlinks .caret{width:8px; height:8px; opacity:.6; transition:transform .2s ease;}
  .navlinks li:hover .caret{transform:rotate(180deg);}
  .dropdown{
    position:absolute; top:calc(100% + 10px); left:0;
    background:var(--bg-2); border:1px solid var(--line);
    border-radius:14px; padding:8px; min-width:230px;
    opacity:0; visibility:hidden; transform:translateY(6px);
    transition:all .2s ease;
    box-shadow:0 20px 40px rgba(0,0,0,.4);
  }
  .navlinks li:hover .dropdown{opacity:1; visibility:visible; transform:translateY(0);}
  .dropdown a{
    display:block; padding:10px 14px; border-radius:9px;
    font-size:14px; color:var(--text-1);
  }
  .dropdown a:hover{background:var(--bg-3); color:var(--accent);}
  .nav-cta{display:flex; align-items:center; gap:14px;}
  .burger{
    display:none; width:40px; height:40px; border-radius:10px;
    border:1px solid var(--line-strong); background:transparent;
    color:var(--text-0); align-items:center; justify-content:center;
    cursor:pointer;
  }

  /* ---------- HERO ---------- */
  .hero{
    padding:196px 0 120px;
    position:relative;
    background:
      radial-gradient(ellipse 900px 500px at 82% 20%, rgba(92,225,230,.10), transparent 60%),
      radial-gradient(ellipse 700px 500px at 10% 90%, rgba(92,225,230,.05), transparent 60%),
      linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
    overflow:hidden;
  }
  .hero-grid{
    position:absolute; inset:0; z-index:0;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:64px 64px;
    -webkit-mask-image:radial-gradient(ellipse 70% 60% at 65% 30%, black 10%, transparent 75%);
    mask-image:radial-gradient(ellipse 70% 60% at 65% 30%, black 10%, transparent 75%);
    opacity:.7;
  }
  .hero-inner{
    position:relative; z-index:2;
    display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center;
  }
  .hero-copy h1.brand{
    font-size:clamp(34px,4.6vw,54px);
    line-height:1;
    margin-bottom:22px;
    display:flex; align-items:center; gap:16px;
  }
  .hero-copy h1.brand .mark{width:46px; height:46px; border-radius:12px; font-size:20px;}
  .hero-copy .headline{
    font-size:clamp(28px,3.6vw,44px);
    line-height:1.12;
    margin-bottom:22px;
    max-width:560px;
  }
  .hero-copy .headline .accent-line{color:var(--accent);}
  .hero-copy p.lead{
    color:var(--text-1);
    font-size:17px;
    max-width:520px;
    margin-bottom:38px;
  }
  .hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px;}
  .tech-tags{display:flex; gap:10px; flex-wrap:wrap;}
  .tag{
    font-family:'Space Grotesk',sans-serif;
    font-size:12px; font-weight:600; letter-spacing:.06em;
    padding:8px 14px; border:1px solid var(--line-strong); border-radius:100px;
    color:var(--text-1);
  }

  .hero-visual{position:relative; height:480px;}
  .stage{
    position:absolute; inset:0;
    display:flex; align-items:center; justify-content:center;
    perspective:1200px;
  }
  .stage-floor{
    position:absolute; bottom:20px; left:50%; transform:translateX(-50%);
    width:340px; height:100px;
    background:radial-gradient(ellipse at center, rgba(92,225,230,.16), transparent 70%);
    filter:blur(6px);
  }
  .part{
    animation:float 6s ease-in-out infinite;
    transform-style:preserve-3d;
  }
  @keyframes float{
    0%,100%{transform:translateY(0) rotateZ(0deg);}
    50%{transform:translateY(-16px) rotateZ(2deg);}
  }
  .hero-caption{
    position:absolute; bottom:0; left:0; right:0;
    display:flex; justify-content:space-between; align-items:flex-end;
    font-family:'Space Grotesk',sans-serif; font-size:12px; color:var(--text-2);
    letter-spacing:.04em;
  }
  .hero-caption b{color:var(--text-1); font-weight:500;}

  /* ---------- WHY US ---------- */
  .why{padding:120px 0; background:var(--bg-0);}
  .why-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
  .why-card{background:var(--bg-1); padding:36px 30px; transition:background .25s ease;}
  .why-card:hover{background:var(--bg-2);}
  .why-card .icon{
    width:44px; height:44px; border-radius:12px; background:var(--accent-dim);
    display:flex; align-items:center; justify-content:center; margin-bottom:22px;
    color:var(--accent);
  }
  .why-card h3{font-size:18px; margin-bottom:10px;}
  .why-card p{color:var(--text-1); font-size:14.5px;}

  /* ---------- SERVICES ---------- */
  .services{padding:120px 0; background:var(--bg-1); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .service-block{
    border:1px solid var(--line); border-radius:var(--radius);
    background:linear-gradient(180deg, var(--bg-2), var(--bg-1));
    padding:44px; margin-bottom:24px;
  }
  .service-top{display:flex; justify-content:space-between; align-items:flex-start; gap:30px; flex-wrap:wrap; margin-bottom:26px;}
  .service-top .num{font-family:'Space Grotesk',sans-serif; font-size:13px; color:var(--text-2); letter-spacing:.1em;}
  .service-top h3{font-size:26px; margin:10px 0 12px; max-width:560px;}
  .service-problems{list-style:none; color:var(--text-1); font-size:15px; margin-bottom:8px;}
  .service-problems li{padding-left:18px; position:relative; margin-bottom:6px;}
  .service-problems li::before{content:"—"; position:absolute; left:0; color:var(--text-2);}
  .service-desc{color:var(--text-1); font-size:15px; max-width:560px;}
  .tech-subgrid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:8px;}
  .tech-card{
    border:1px solid var(--line); border-radius:14px; padding:22px 20px;
    background:var(--bg-1); transition:border-color .25s ease, transform .25s ease;
  }
  .tech-card:hover{border-color:var(--accent); transform:translateY(-4px);}
  .tech-card .tname{font-family:'Space Grotesk',sans-serif; font-weight:700; color:var(--accent); font-size:16px; margin-bottom:8px;}
  .tech-card p{font-size:13.5px; color:var(--text-1);}
  .service-list{display:grid; grid-template-columns:repeat(2,1fr); gap:10px 30px; margin-top:6px;}
  .service-list li{padding-left:22px; position:relative; color:var(--text-1); font-size:15px; margin-bottom:4px;}
  .service-list li::before{
    content:""; position:absolute; left:0; top:8px; width:8px; height:8px; border-radius:2px;
    background:var(--accent);
  }

  /* ---------- PROJECTS ---------- */
  .projects{padding:120px 0; background:var(--bg-0);}
  .proj-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
  .proj-card{
    border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
    background:var(--bg-1); transition:transform .3s ease, border-color .3s ease;
  }
  .proj-card:hover{transform:translateY(-6px); border-color:var(--line-strong);}
  .proj-thumb{
    height:190px; position:relative; overflow:hidden;
    display:flex; align-items:center; justify-content:center;
  }
  .proj-thumb::after{
    content:""; position:absolute; inset:0;
    background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:20px 20px; opacity:.4;
  }
  .proj-body{padding:22px;}
  .proj-body .tag-sm{font-family:'Space Grotesk',sans-serif; font-size:11px; letter-spacing:.08em; color:var(--accent); text-transform:uppercase; margin-bottom:8px; display:block;}
  .proj-body h3{font-size:17px; margin-bottom:8px;}
  .proj-body p{font-size:13.5px; color:var(--text-1);}

  /* ---------- TECH & MATERIALS ---------- */
  .stack{padding:120px 0; background:var(--bg-1); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .stack-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-bottom:60px;}
  .stack-card{
    border:1px solid var(--line); border-radius:16px; padding:30px 24px; text-align:left;
    background:var(--bg-2);
  }
  .stack-card .glyph{
    width:52px; height:52px; border-radius:14px; margin-bottom:20px;
    background:var(--bg-3); border:1px solid var(--line-strong);
    display:flex; align-items:center; justify-content:center; color:var(--accent);
    font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:15px;
  }
  .stack-card h4{font-size:18px; margin-bottom:8px;}
  .stack-card p{font-size:13.5px; color:var(--text-1);}
  .materials{display:flex; flex-wrap:wrap; gap:12px; align-items:center;}
  .materials .label{color:var(--text-1); font-size:14px; margin-right:8px;}
  .chip{
    padding:9px 18px; border:1px solid var(--line-strong); border-radius:100px;
    font-family:'Space Grotesk',sans-serif; font-size:13px; font-weight:600; color:var(--text-0);
  }

  /* ---------- ABOUT / STORY ---------- */
  .about{padding:130px 0; background:var(--bg-0); position:relative;}
  .about-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:60px; align-items:center;}
  .about h2{font-size:clamp(26px,3.4vw,38px); line-height:1.2; margin-bottom:24px;}
  .about p{color:var(--text-1); font-size:16.5px; margin-bottom:18px; max-width:560px;}
  .stat-row{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:20px;}
  .stat{border-top:1px solid var(--line-strong); padding-top:16px;}
  .stat b{display:block; font-family:'Space Grotesk',sans-serif; font-size:32px; color:var(--accent);}
  .stat span{font-size:13px; color:var(--text-2);}
  .about-visual{
    position:relative; border-radius:var(--radius); border:1px solid var(--line);
    background:radial-gradient(ellipse at 30% 20%, rgba(92,225,230,.10), transparent 55%), var(--bg-1);
    min-height:420px; display:flex; align-items:center; justify-content:center; overflow:hidden;
  }

  /* ---------- TESTIMONIALS ---------- */
  .reviews{padding:120px 0; background:var(--bg-1); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .reviews-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .review-card{
    border:1px solid var(--line); border-radius:var(--radius); padding:32px;
    background:var(--bg-2); display:flex; flex-direction:column;
  }
  .review-card .quote-mark{color:var(--accent); font-family:'Space Grotesk',sans-serif; font-size:34px; line-height:1; margin-bottom:14px;}
  .review-card p.text{color:var(--text-1); font-size:14.5px; flex:1; margin-bottom:22px;}
  .reviewer{display:flex; align-items:center; gap:12px;}
  .reviewer .avatar{
    width:40px; height:40px; border-radius:50%;
    background:linear-gradient(145deg, var(--bg-3), var(--bg-1));
    border:1px solid var(--line-strong);
    display:flex; align-items:center; justify-content:center;
    font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:14px; color:var(--accent);
  }
  .reviewer .name{font-size:14px; font-weight:600;}
  .reviewer .role{font-size:12.5px; color:var(--text-2);}
  .reviews-grid .review-card:nth-child(4),
  .reviews-grid .review-card:nth-child(5){grid-column:span 1;}
  @media(min-width:900px){
    .reviews-grid{grid-template-columns:repeat(3,1fr);}
  }

  /* ---------- CONTACT ---------- */
  .contact{
    padding:130px 0;
    background:
      radial-gradient(ellipse 700px 400px at 15% 10%, rgba(92,225,230,.10), transparent 60%),
      var(--bg-0);
    border-top:1px solid var(--line);
  }
  .contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start;}
  .contact h2{font-size:clamp(28px,3.8vw,44px); line-height:1.12; margin-bottom:20px;}
  .contact p.lead{color:var(--text-1); font-size:16.5px; max-width:440px; margin-bottom:36px;}
  .contact-info{display:flex; flex-direction:column; gap:18px;}
  .contact-info .row{display:flex; align-items:center; gap:14px;}
  .contact-info .row .ico{
    width:38px; height:38px; border-radius:10px; background:var(--bg-2); border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center; color:var(--accent); flex-shrink:0;
  }
  .contact-info .row div{font-size:14.5px; color:var(--text-1);}
  .contact-info .row b{display:block; color:var(--text-0); font-size:14.5px; font-weight:600;}
  form{
    background:var(--bg-1); border:1px solid var(--line); border-radius:var(--radius);
    padding:36px;
  }
  .field{margin-bottom:18px;}
  .field label{display:block; font-size:13px; color:var(--text-2); margin-bottom:8px; font-family:'Space Grotesk',sans-serif; letter-spacing:.03em;}
  .field input, .field textarea{
    width:100%; background:var(--bg-2); border:1px solid var(--line-strong); border-radius:10px;
    padding:13px 16px; color:var(--text-0); font-family:'Inter',sans-serif; font-size:14.5px;
    transition:border-color .2s ease;
  }
  .field input:focus, .field textarea:focus{outline:none; border-color:var(--accent);}
  .field textarea{resize:vertical; min-height:100px;}
  form button{width:100%; margin-top:6px;}
  .form-note{font-size:12.5px; color:var(--text-2); margin-top:14px; text-align:center;}
  #form-success{display:none; text-align:center; padding:30px 10px;}
  #form-success .ico{width:56px;height:56px;border-radius:50%;background:var(--accent-dim);color:var(--accent);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;}
  #form-success h4{font-size:18px; margin-bottom:8px;}
  #form-success p{color:var(--text-1); font-size:14px;}

  /* ---------- FOOTER ---------- */
  footer{background:var(--bg-1); border-top:1px solid var(--line); padding:60px 0 30px;}
  .footer-top{display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:40px; margin-bottom:50px;}
  .footer-brand .logo{margin-bottom:16px;}
  .footer-brand p{color:var(--text-2); font-size:14px; max-width:280px;}
  .footer-col h5{font-family:'Space Grotesk',sans-serif; font-size:13px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-2); margin-bottom:16px;}
  .footer-col a{display:block; color:var(--text-1); font-size:14.5px; margin-bottom:11px; transition:color .2s ease;}
  .footer-col a:hover{color:var(--accent);}
  .footer-bottom{
    display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
    border-top:1px solid var(--line); padding-top:26px; color:var(--text-2); font-size:13px;
  }
  .footer-bottom .socials{display:flex; gap:10px;}
  .footer-bottom .socials a{
    width:34px; height:34px; border-radius:50%; border:1px solid var(--line-strong);
    display:flex; align-items:center; justify-content:center; color:var(--text-1);
  }
  .footer-bottom .socials a:hover{border-color:var(--accent); color:var(--accent);}

  /* reveal animation */
  .reveal{opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease;}
  .reveal.in-view{opacity:1; transform:translateY(0);}

  /* ---------- RESPONSIVE ---------- */
  @media(max-width:1080px){
    .why-grid{grid-template-columns:repeat(2,1fr);}
    .tech-subgrid{grid-template-columns:repeat(2,1fr);}
    .proj-grid{grid-template-columns:repeat(2,1fr);}
    .stack-grid{grid-template-columns:repeat(2,1fr);}
    .reviews-grid{grid-template-columns:repeat(2,1fr) !important;}
    .footer-top{grid-template-columns:1fr 1fr;}
  }
  @media(max-width:920px){
    .hero-inner{grid-template-columns:1fr;}
    .hero-visual{height:320px; order:-1;}
    .about-grid{grid-template-columns:1fr;}
    .about-visual{min-height:280px;}
    .contact-grid{grid-template-columns:1fr;}
  }
  @media(max-width:760px){
    .navlinks, .nav-cta .btn-ghost{display:none;}
    .burger{display:flex;}
    .wrap{padding:0 20px;}
    .hero{padding:150px 0 70px;}
    .why-grid{grid-template-columns:1fr;}
    .service-block{padding:28px;}
    .tech-subgrid{grid-template-columns:1fr;}
    .service-list{grid-template-columns:1fr;}
    .proj-grid{grid-template-columns:1fr;}
    .stack-grid{grid-template-columns:1fr;}
    .reviews-grid{grid-template-columns:1fr !important;}
    .stat-row{grid-template-columns:1fr 1fr;}
    .footer-top{grid-template-columns:1fr; gap:32px;}
    .service-top{flex-direction:column;}
  }

  /* mobile nav drawer */
  .mobile-drawer{
    position:fixed; inset:0; z-index:950; background:var(--bg-0);
    display:flex; flex-direction:column; padding:24px 24px 40px;
    transform:translateX(100%); transition:transform .35s ease;
  }
  .mobile-drawer.open{transform:translateX(0);}
  .mobile-drawer .drawer-top{display:flex; justify-content:space-between; align-items:center; margin-bottom:40px;}
  .mobile-drawer .close-btn{
    width:40px; height:40px; border-radius:10px; border:1px solid var(--line-strong);
    display:flex; align-items:center; justify-content:center; color:var(--text-0); background:none;
  }
  .mobile-drawer nav a{display:block; padding:16px 4px; border-bottom:1px solid var(--line); font-size:18px; font-family:'Space Grotesk',sans-serif;}
  .mobile-drawer .sub{padding-left:16px;}
  .mobile-drawer .sub a{font-size:15px; color:var(--text-1); border-bottom:none; padding:10px 4px;}

/* ---------- TECH DETAIL PAGES ---------- */
.breadcrumb{font-size:13px; color:var(--text-2); margin-bottom:28px; display:flex; gap:8px; align-items:center; flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2); transition:color .2s ease;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span{color:var(--text-0);}

.tech-hero{
  padding:200px 0 90px;
  background:
    radial-gradient(ellipse 800px 500px at 85% 10%, rgba(92,225,230,.12), transparent 60%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
  border-bottom:1px solid var(--line);
}
.tech-hero-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:50px; align-items:center;}
.tech-badge{
  width:64px; height:64px; border-radius:16px; background:var(--accent-dim); color:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:18px; margin-bottom:26px;
  border:1px solid var(--line-strong);
}
.tech-hero h1{font-size:clamp(32px,4.2vw,50px); line-height:1.1; margin-bottom:14px;}
.tech-hero .full-name{color:var(--text-2); font-size:15px; margin-bottom:22px; font-family:'Space Grotesk',sans-serif; letter-spacing:.02em;}
.tech-hero p.lead{color:var(--text-1); font-size:17px; max-width:520px; margin-bottom:32px;}
.tech-hero-visual{
  border:1px solid var(--line); border-radius:var(--radius);
  background:radial-gradient(ellipse at 30% 20%, rgba(92,225,230,.10), transparent 55%), var(--bg-1);
  min-height:340px; display:flex; align-items:center; justify-content:center;
}

.tech-switch{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:56px;}
.tech-switch a{
  padding:11px 20px; border:1px solid var(--line-strong); border-radius:100px;
  font-family:'Space Grotesk',sans-serif; font-size:13px; font-weight:600; color:var(--text-1);
  transition:all .2s ease;
}
.tech-switch a:hover{border-color:var(--accent); color:var(--accent);}
.tech-switch a.active{background:var(--accent); border-color:var(--accent); color:#0a0a0a;}

.tech-detail{padding:100px 0; background:var(--bg-0);}
.tech-detail-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; margin-bottom:100px;}
.tech-detail-grid h2{font-size:clamp(24px,3vw,32px); margin-bottom:18px;}
.tech-detail-grid p{color:var(--text-1); font-size:16px; margin-bottom:14px;}

.spec-table{width:100%; border-collapse:collapse; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.spec-table tr{border-bottom:1px solid var(--line);}
.spec-table tr:last-child{border-bottom:none;}
.spec-table td{padding:16px 22px; font-size:14.5px;}
.spec-table td:first-child{color:var(--text-2); width:46%; font-family:'Space Grotesk',sans-serif; font-size:12.5px; text-transform:uppercase; letter-spacing:.05em;}
.spec-table td:last-child{color:var(--text-0); font-weight:500;}
.spec-note{font-size:12.5px; color:var(--text-2); margin-top:14px;}

.cta-banner{
  border:1px solid var(--line); border-radius:var(--radius);
  background:linear-gradient(135deg, var(--bg-2), var(--bg-1));
  padding:50px; display:flex; justify-content:space-between; align-items:center; gap:30px; flex-wrap:wrap;
  margin-top:100px;
}
.cta-banner h3{font-size:24px; max-width:480px;}
.cta-banner p{color:var(--text-1); font-size:15px; max-width:480px; margin-top:8px;}

@media(max-width:920px){
  .tech-hero-grid{grid-template-columns:1fr;}
  .tech-hero-visual{min-height:220px; order:-1;}
  .tech-detail-grid{grid-template-columns:1fr; gap:30px; margin-bottom:70px;}
}
@media(max-width:760px){
  .tech-hero{padding:150px 0 60px;}
  .cta-banner{padding:32px;}
}

.stack-more{
  display:inline-block; margin-top:16px;
  color:var(--accent); font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:13px;
  transition:opacity .2s ease;
}
.stack-more:hover{opacity:.7;}

.dropdown a.active{color:var(--accent);}
.mobile-drawer .drawer-link.active{color:var(--accent);}

/* ================= RTL (Hebrew) ================= */
html[dir="rtl"] body{direction:rtl;}
html[dir="rtl"] .fab-stack{right:auto; left:24px;}
html[dir="rtl"] .fab-lang-menu{right:auto; left:0;}
html[lang="he"] h1, html[lang="he"] h2, html[lang="he"] h3, html[lang="he"] h4, html[lang="he"] .logo,
html[lang="hy"] h1, html[lang="hy"] h2, html[lang="hy"] h3, html[lang="hy"] h4, html[lang="hy"] .logo{
  letter-spacing:0;
}
html[dir="rtl"] .service-top a.btn-sm{margin-inline-start:0;}

/* ================= FLOATING BUTTONS (language + WhatsApp) ================= */
.fab-stack{
  position:fixed; right:24px; bottom:24px; z-index:900;
  display:flex; flex-direction:column; align-items:flex-end; gap:14px;
}
.fab-btn{
  width:56px; height:56px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--line-strong); background:var(--bg-2); color:var(--text-0);
  cursor:pointer; position:relative;
  box-shadow:0 8px 24px rgba(0,0,0,.45);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}
.fab-btn:hover{transform:translateY(-3px); border-color:var(--accent);}

.fab-whatsapp{
  background:#25D366; border-color:#25D366; color:#fff;
  animation:fabFloat 2.6s ease-in-out infinite;
}
.fab-whatsapp:hover{background:#20bd5a; border-color:#20bd5a;}
.fab-ping{
  position:absolute; inset:0; border-radius:50%;
  background:#25D366; opacity:.55;
  animation:fabPing 2.2s cubic-bezier(.2,.6,.4,1) infinite;
}
@keyframes fabPing{
  0%{transform:scale(1); opacity:.55;}
  75%{transform:scale(1.7); opacity:0;}
  100%{transform:scale(1.7); opacity:0;}
}
@keyframes fabFloat{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-5px);}
}

.fab-lang-wrap{position:relative;}
.fab-lang{
  font-family:'Space Grotesk',sans-serif; font-size:10.5px; font-weight:700; letter-spacing:.03em;
  flex-direction:column; gap:1px;
}
.fab-lang svg{opacity:.85;}
.fab-lang span{font-size:10px; line-height:1;}

.fab-lang-menu{
  position:absolute; bottom:68px; right:0;
  min-width:168px; background:var(--bg-2); border:1px solid var(--line-strong); border-radius:14px;
  padding:8px; display:flex; flex-direction:column; gap:2px;
  box-shadow:0 16px 40px rgba(0,0,0,.55);
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.fab-lang-wrap.open .fab-lang-menu{opacity:1; visibility:visible; transform:translateY(0);}
.fab-lang-option{
  display:flex; align-items:center; gap:10px; width:100%;
  padding:9px 12px; border-radius:9px; border:none; background:transparent; color:var(--text-1);
  font-family:'Inter',sans-serif; font-size:13.5px; text-align:left; cursor:pointer;
  transition:background .15s ease, color .15s ease;
}
.fab-lang-option:hover{background:var(--bg-3); color:var(--text-0);}
.fab-lang-option.active{color:var(--accent);}
.fab-lang-code{
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:11px;
  color:var(--text-2); width:26px; flex-shrink:0;
}
.fab-lang-option.active .fab-lang-code{color:var(--accent);}

@media(max-width:760px){
  .fab-stack{right:16px; bottom:16px; gap:10px;}
  html[dir="rtl"] .fab-stack{left:16px;}
  .fab-btn{width:50px; height:50px;}
}